New Lower Shipping Rates! Get the industry's best ground prices and save more—especially on longer lengths.  

Shop all Products
Explore OLM Rewards
Deals
Get a Quick Quote!
hex-rod-large-new-min-4superZoom

Alloy Steel Hex Bar 4140 4142 Cold Finish

-11 Products

Alloy Steel 4140/4142 Product Guide Product   | Alloy Steel 4140/4142 Hex Bar Tolerances product

Alloy Steel 4140 Product Guide | Alloy Steel 4142 Product Guide

Alloy Steel Hex Bar 4140/4142 is normally used for heavy-duty industrial applications. Also referred to as Chromoly steel, it is known as a highly versatile Cold Rolled Steel. 4140/4142 are known for strength, resistance to fracturing, abrasion, and impact in high stress applications. Alloy steel hex bar stock is available in full size and custom cut lengths.

Sort by

Relevance
  • Relevance
  • Size
  • Price:Low to High
  • Product Name: A to Z
  • Product Name: Z to A
  • Price:High to Low

Close

Filters

Temper

Production Method

seller

Material

Shape

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20243

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20243

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 1.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $50.74 ea.
  • 24″ (2 ft.) - $98.73 ea.
  • 36″ (3 ft.) - $134.72 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $167.98 ea.
  • 72″ (6 ft.) - $237.28 ea.
  • 96″ (8 ft.) - $295.51 ea.
  • 144″ (12 ft.) - $367.85 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$50.74 ea.
$50.74 for 1

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20244

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 20244

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 1.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20242

1" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20242

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $39.69 ea.
  • 24″ (2 ft.) - $77.26 ea.
  • 36″ (3 ft.) - $105.44 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $131.48 ea.
  • 72″ (6 ft.) - $185.70 ea.
  • 96″ (8 ft.) - $231.29 ea.
  • 144″ (12 ft.) - $287.89 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$39.69 ea.
$39.69 for 1
quantity discountBuy More & Save up to 18% !
Qty
Price ea.
Savings
20+
$32.39
18%
More
Less

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20246

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20246

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 1.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $89.98 ea.
  • 24″ (2 ft.) - $170.07 ea.
  • 36″ (3 ft.) - $251.16 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $325.64 ea.
  • 72″ (6 ft.) - $448.92 ea.
  • 96″ (8 ft.) - $574.82 ea.
  • 144″ (12 ft.) - $791.02 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$89.98 ea.
$89.98 for 1

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20248

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20248

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 2.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $120.97 ea.
  • 24″ (2 ft.) - $228.64 ea.
  • 36″ (3 ft.) - $337.67 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $437.81 ea.
  • 72″ (6 ft.) - $603.52 ea.
  • 96″ (8 ft.) - $772.81 ea.
  • 144″ (12 ft.) - $1,063.50 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$120.97 ea.
$120.97 for 1

2 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20249

2 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 20249

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 2.375"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

2" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20247

2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20247

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $112.14 ea.
  • 24″ (2 ft.) - $211.94 ea.
  • 36″ (3 ft.) - $313.00 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $405.85 ea.
  • 72″ (6 ft.) - $559.46 ea.
  • 96″ (8 ft.) - $716.36 ea.
  • 144″ (12 ft.) - $985.84 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$112.14 ea.
$112.14 for 1

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20250

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20250

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 2.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $158.31 ea.
  • 24″ (2 ft.) - $299.23 ea.
  • 36″ (3 ft.) - $441.88 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $572.97 ea.
  • 72″ (6 ft.) - $789.85 ea.
  • 144″ (12 ft.) - $1,391.80 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$158.31 ea.
$158.31 for 1

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 20251

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20251

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 2.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $231.04 ea.
  • 24″ (2 ft.) - $436.67 ea.
  • 36″ (3 ft.) - $644.86 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $836.10 ea.
  • 72″ (6 ft.) - $1,152.62 ea.
  • 144″ (12 ft.) - $2,031.02 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$231.04 ea.
$231.04 for 1

3/4" Alloy Steel Hex Bar 4140 Cold Finish - 
Part #: 27936

3/4" Alloy Steel Hex Bar 4140 Cold Finish-
Part #: 27936

Click for more details

alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Dimensions

  • Across Flats: 0.75"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish - 
Part #: 27980

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 27980

Click for more details

Placeholder for future product image

Dimensions

  • Across Flats: 1.375"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

Can't find what you're looking for?

Contact us for a custom quote